Why Do Birds Fly South For The Winter
Camila Farah
Birds in the southern hemisphere will do the opposite and fly north in the winter to reach the warmer locations.
This isn t exactly the case. Cold snowy winters can create a real health hazard for them as does the lack of food. Food habitat and weather conditions are the reasons why birds fly south during the winter. Migration carries high costs in predation and mortality including from hunting by humans and is driven primarily by availability of food.
Many birds migrate or fly south for the winter because of temperature changes. Birds can and do survive extremely harsh winters. Generally speaking in the winter there s more food for them further south. So lots of birds go back and forth every season.
Like most migratory animals the primary reason for moving is food. But in the summer there are better places for them to have baby birds further north. Several tracking studies have revealed that birds take hefty diversions to find. The reason why birds fly south for the winter is simply because of the temperature and the food sources availible in relation to this temperature.
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It seems logical that the reason many birds spend the winter months in more pleasant southern locations might have something to do with the warmth of the sun. Birds fly south in the winter in search of alternate food sources and even though their summer home might be nicer they return home in the spring when their usual food stocks are replenished. When they feel the change in the weather conditions then their migration starts. Many species of bird migrate.Bird migration is the regular seasonal movement often north and south along a flyway between breeding and wintering grounds. Birds use flight to their advantage in all sorts of ways like flying away from animals that want to eat them or to look for food. The majority of the 650 species of birds found in north america are migratory. Geese are among the most easily identified birds that migrate south for the winter and they can be identified by their v shaped flight pattern.
Because birds fly at speeds comparable to typical wind speeds head and side winds can pose a considerable challenge. Why do birds fly south.
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